Model: Suzuki GSX-R400 1990-94. Description: CDI Unit Assy. Condition: New in box. PLEASE DO YOUR OWN RESEARCH TO VERIFY THAT THIS PART IN THE PHOTO FITS YOUR MACHINE. International Buyers – Please Note. WE DO NOT DO MEASUREMENTS OF ANY KIND; PLEASE CHECK THE PART NUMBER IN THE PHOTO TO VERIFY IF THIS PART FIT YOUR MACHINE. We will not respond to question for measurements. Please note the time difference between Asia and the rest of the world. We are unfortunately unable to respond to last minute questions as they may well be asked at a time when our establishment is closed. Please ask all questions early and we will make every effort to respond as soon as possible.